navy s.e.a.l. the battlefield had upended his emotional bonds at home. >> i felt much more comfortable in a combat zone than i did being back with my family and the united states. >> married for more than 20 years to his high school sweetheart, they knew it had come to a breaking point. on the surface, their family of five looked picture-perfect. >> do you remember when you first saw one another? >> we were at summer camp in prescott, arizona, and he had on red swim trunks and i thought, i need to meet this guy. >> i had seen her well in advance, so well before the red trunks. >> mark worked his way up to operations director for all east coast s.e.a.l. teams. there were years of covert missions. he lost dozens of teammates and came home with multiple injuries trauma that slowly chipped way at the heart of his marriage. >> what were the symptoms of that, mark? >> very short-fused, temper, very short fuse. i had no tolerance for anything seemingly insubordinate or meaningless meaningless. >> it was c